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Patent Searching and Data


Matches 51 - 100 out of 17,681

Document Document Title
WO/2019/151907A1
The proposed electromechanical actuator comprises an electric motor, an inverted roller screw, and an output shaft, which are mounted in a housing. The electric motor comprises a hollow cylindrical rotor. The inverted roller screw compri...  
WO/2019/142536A1
Provided is a ball screw device of a so-called multiple-thread type which, despite having a sufficient load-bearing capacity, enables a decrease in size of a nut member. The ball screw device is provided with: a screw shaft (2) having N ...  
WO/2019/141323A1
Linear actuator comprising an electric motor (2) which through a transmission (3) drives a spindle unit, where the spindle unit comprises at least one spindle (4) with a spindle nut (5), where the spindle (4) is equipped with a bearing (...  
WO/2019/142378A1
Provided are structure for a nut and that for a feed screw mechanism, which enable bolt tightening torque to be kept low. A nut (12b) is provided with a cylindrical section (19a) and a slit (20a). The cylindrical section (19a) has a fema...  
WO/2019/137587A1
Linear actuator comprising a housing (1) with an electric motor (3), which through a transmission (8-11) drives a spindle unit comprising a spindle (7) with a spindle nut (14), an adjustment element (13), typically tubular. The actuator ...  
WO/2019/138757A1
A clip (22) made of spring steel is provided with a circular arc-shaped, first insertion section-urging section (66), a circular arc-shaped, second insertion section-urging section (67) which faces the first insertion section-urging sect...  
WO/2019/136507A1
The invention relates to a spindle drive for driving sliding doors or swinging-sliding doors, in particular for rail vehicles for passenger transport, said drive comprising a spindle and spindle nuts, wherein the spindle nuts are connect...  
WO/2019/137588A1
Linear actuator comprising a housing (1) consisting of two parts (la, lb), an electric motor (3) with a motor shaft, a transmission (8-11) in connection with the motor shaft, a spindle unit in connection with the transmission, where the ...  
WO/2019/134763A1
Mechanism for transforming rotating to reciprocating motion, or vice versa, comprising a first annular component (1) and a second annular component (3) coaxially located, the first beside the second, along a longitudinal axis (ΔΑ), whe...  
WO/2019/130385A1
[Problem] To provide a ball screw in which, while ensuring the accuracy with which an end deflector is fitted to a nut body, the ease with which the end deflector is assembled to the nut body is improved, and a decrease in yield is avoid...  
WO/2019/131676A1
A floating-caliper-type disc brake device (100) that comprises: first brake shoes (11) and second brake shoes (13) that are respectively held by brake shoe holding parts (39, 41) of a first caliper arm (19) and a second caliper arm that ...  
WO/2019/133960A1
A method of determining a homing position of a piston within a plunger assembly for a vehicle brake system at the beginning of an ignition cycle of the vehicle includes first providing a plunger assembly having a housing defining a bore ...  
WO/2019/126411A1
A drive transmission (200), having two counter-rotating cams (210A,210B) bearing-mounted within a housing (202) about a rotational axis. The counter-rotating cams have asymmetrical lobe profiles (218) which are operative to drive a corre...  
WO/2019/114865A1
A device for adjusting the level of a motor vehicle comprises an electric motor (4) and an actuating gear mechanism (3) which is connected upstream of a screw drive (2), wherein the actuating gear mechanism (3) is formed by three gearwhe...  
WO/2019/117152A1
The purpose of the present invention is to more suitably detect a fault accompanying a reduction in pre-load of a ball screw unit. Fault diagnosis of the ball screw unit is performed on the basis of the combination of: a resonance freque...  
WO/2019/113433A1
An actuator assembly includes an actuation member, a release member, and a source of pressurized gas, wherein during a normal mode of operation, the actuation member and the release member are engaged to move in unison, and wherein durin...  
WO/2019/109549A1
Provided is a multi-band antenna drive device, comprising a driving gear (10), a divider (20) and lead screw assemblies (30). By rotating the divider (20), a boss (22) of the divider (20) pushes one of connection members (32), so that th...  
WO/2019/105663A1
The invention relates to a spindle drive for an actuator of a steering system, comprising a spindle (2, 22) having a spindle thread (2a) and a spindle nut (3) having a nut thread (3a), wherein the spindle thread (2a) and the nut thread (...  
WO/2019/107122A1
Provided is a ball screw spline capable of achieving a reduction in size and weight. A ball screw spline according to the present invention is provided with: a shaft (1) in which a spiral ball screw groove (1a) and a straight ball spline...  
WO/2018/088244A8
A linear electric actuator 1 is provided with an electric motor portion A, a screw mechanism portion B, and an operation portion C, wherein: the electric motor portion A and the screw mechanism portion B are arranged on the same axis; th...  
WO/2019/102119A1
The electric actuator comprises at least: - an electric motor (2), - a threaded rod (8) that is moved in rotation and is stationary in translation, - a nut (13) that is rotationally immobilised and is guided in translation along the thre...  
WO/2019/102659A1
Provided is a hinge for which, while the hinge is in an assembled state, the rotational position when holding a door or the like can be adjusted. The hinge comprises a first member (1) and a second member (2) that can rotate relative to ...  
WO/2019/103124A1
This electrically driven actuator 1 comprises: an electric motor 10; a first motion conversion mechanism 20 provided with a threaded shaft 21 which is driven in a rotating manner by the electric motor 10, and with a nut 22 which is engag...  
WO/2019/103159A1
This electric actuator is provided with: an electric motor 2; a relay circuit 3 which switches ON/OFF of electric power supply to the electric motor 2; a motion conversion mechanism 4 which converts a rotating motion of the electric moto...  
WO/2018/123564A8
Provided is an electric actuator (1) formed by serially arranging: a drive section (2) having an electric motor (7); and a motion conversion mechanism (3) for converting the rotational motion of the drive section (2) into rectilinear mot...  
WO/2019/102037A1
The invention relates to a telescoping linear actuator (2), in particular for a table system, comprises a linear drive (11), which is designed to move the linear actuator (2) over a total stroke distance (GH), the total stroke distance (...  
WO/2019/097814A1
[Problem] To propose an extending and retracting mechanism with which it is possible to improve spatial efficiency when extending and retracting operations are performed. [Solution] This extending and retracting mechanism is provided wit...  
WO/2019/096354A1
The invention relates to a spindle nut (1, 2) which can be brought into engagement with a corresponding spindle (2), or is engaged with same, wherein: the spindle nut (1, 2) has an internal screw thread (3) interrupted by three longitudi...  
WO/2019/091524A1
The invention relates to a linear actuator comprising an electric motor, a transmission, a spindle, a spindle nut, a housing, an outer tube and an inner tube, the outer tube being connected to the housing, the spindle being interconnecte...  
WO/2019/091525A1
A linear actuator (1) comprising an electric motor (20), a transmission (40), a spindle (80) being connected to the transmission (40), a spindle nut (81) being arranged on the spindle (80), a housing (10), an outer tube (3) being connect...  
WO/2019/093195A1
This door opening and closing device 1 for vehicles is provided with: a motor drive mechanism 30; a first housing 10 for containing the motor drive mechanism 30; a spindle drive mechanism 40 connected to the motor drive mechanism 30; and...  
WO/2019/091523A1
A linear actuator (1) comprising an electric motor (20), a transmission (40), a spindle (80) being connected to the transmission (40), a spindle nut (81) being arranged on the spindle (80), a housing (10), an outer tube (3) being connect...  
WO/2019/091997A1
The invention relates to an electromotive furniture drive with a drive which is designed as an electric motor and which drives a worm gear (20) via a worm (18), said gear being rotatably connected to a spindle holder (27) via a clutch wh...  
WO/2019/092268A1
The invention relates to an electromotive linear drive comprising an electric motor (4) that drives a screw (6) extending along a longitudinal screw axis, or the drive pin of which motor is in the form of a screw (6), and which motor com...  
WO/2019/092998A1
The purpose of the present invention is to provide a low-noise power steering apparatus. An electric power steering apparatus of the present invention comprises: a rack 6 having a rack-side ball screw groove 21 formed in a spiral shape; ...  
WO/2019/091522A1
A linear actuator (1) comprising an electric motor (20) connected to a transmission (40), a spindle (80) connected to the transmission (40), a spindle nut (81) arranged on the spindle (80), an outer tube (3) being connected to the housin...  
WO/2019/093697A1
The objective of the present invention is to provide an accommodation ladder fixing device, which more firmly and safely fixes, to an exterior wall of a ship, an accommodation ladder temporally provided so as to allow pilots to safely bo...  
WO/2019/089928A1
A harmonic drive assembly and fluid-powered linear motors with both axial pistons are rotary piston arrangements incorporating the harmonic drive assembly are disclosed. The motors may be used in downhole drilling applications, but the d...  
WO/2019/087914A1
A drive device 1 is provided with: a long member 2; a drum 3; a drum biasing member S1; a rotation member 4; a rotation regulation member 6 that is provided with a disengagement part 61; and a rotation member biasing member S2. A separat...  
WO/2019/087794A1
Provided is a screw nut for reducing the size and weight of a screw nut to which a pulley is attached. This screw nut (2) is provided with: an outer ring (21); and a nut (23) rotatably attached to the outer ring (21) through a first roll...  
WO/2019/082457A1
With this axial gap measurement device for ball screw device it is possible to measure axial gap with a high degree of accuracy by simply attaching the ball screw device to be measured, without requiring particular caution. This device c...  
WO/2019/079892A1
A compact translation stage having a frame, a motor, a carriage, a translation screw and at least one guide is described herein. The carriage is slidably coupled to the guide and engages the screw. The screw is rotatably coupled to the m...  
WO/2019/078121A1
An actuator for this extendible-contractible link has a motor which is mounted to a stationary shaft, a threaded shaft which is rotated by the motor, a clutch between the motor and the threaded shaft, and a nut which is engaged with the ...  
WO/2019/078276A1
A rack bar blank material (10) includes a rack portion (14) configured to mesh with a pinion in an end side of a hollow shaft material in an axial direction than the rack portion, and an end portion (12) which is provided closer to the e...  
WO/2019/078105A1
Provided is a screw device in which a shim is interposed between two nuts, wherein the screw device is capable of detecting a preload. This screw device capable of detecting a preload is provided with: two nuts (2, 3); a shim (4) which i...  
WO/2019/078727A1
It is described an actuator (1) for use in petroleum exploitation, the actuator (1) being configured for displacing a rod (4) for engaging a well barrier device, wherein the actuator (1) comprises: - a housing (2) for housing at least a ...  
WO/2019/076587A1
The invention relates to an actuation arrangement for a parking lock for a motor vehicle, comprising an actuating drive having an actuating slide (24) that is linearly displaceable relative to a base (12) between a central position and a...  
WO/2019/072728A1
The invention relates to an electrohydraulic system having an adjustment apparatus (1) for a valve (2), having a drive device (3), an actuating device (4) and a pre-tensioning device (5), wherein, in the event of a malfunction, the energ...  
WO/2019/072463A1
The invention relates to a transmission comprising a planet carrier and at least one planet element which is rotatably arranged on the planet carrier. According to the invention, the at least one planet element is guided on a guide track...  
WO/2019/068423A1
The invention relates to an actuator, comprising: a housing; a spindle drive provided in the housing and having a spindle (105) engaged with a spindle nut, said spindle having at least one fastening end (108); at least one bearing journa...  

Matches 51 - 100 out of 17,681